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-rw-r--r--drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
index b91517b9fedc..eb198d52a115 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
@@ -72,7 +72,11 @@ void dcn401_initialize_min_clocks(struct dc *dc)
* audio corruption. Read current DISPCLK from DENTIST and request the same
* freq to ensure that the timing is valid and unchanged.
*/
- clocks->dispclk_khz = dc->clk_mgr->funcs->get_dispclk_from_dentist(dc->clk_mgr);
+ if (dc->clk_mgr->funcs->get_dispclk_from_dentist) {
+ clocks->dispclk_khz = dc->clk_mgr->funcs->get_dispclk_from_dentist(dc->clk_mgr);
+ } else {
+ clocks->dispclk_khz = dc->clk_mgr->boot_snapshot.dispclk * 1000;
+ }
}
clocks->ref_dtbclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dtbclk_mhz * 1000;
clocks->fclk_p_state_change_support = true;